Home / 2,810.25-4,209-2,400.21

Finding the Fourth Proportional to 2,810.25, 4,209 and 2,400.21

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Solution

The fourth proportional to 2,810.25, 4,209 and 2,400.21 is: 3,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.25 : 4,209 = 2,400.21 : x
  2. Step 2: Convert to fraction form
    2,810.25/4,209 = 2,400.21/x
  3. Step 3: Cross multiply
    2,810.25x = 4,209 × 2,400.21
  4. Step 4: Simplify right side
    2,810.25x = 10,102,483.89
  5. Step 5: Solve for x
    x = 10,102,483.89/2,810.25
  6. Step 6: Final answer
    x = 3,594.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.